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  • 1985-1989  (1)
  • 1960-1964  (3)
  • 1
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The innervation of some of the long bones of the extremities of the human was studied by methylene blue immersion. Small myelinated and amyelinated nerve fibers enter the numerous foramina of the epiphyseal and metaphyseal regions of long bones, traverse the thin cortex, and supply the interior of the bone. Small myelinated fibers wind about the trabeculae of the spongiosa or spread out on the undersurface of the articular cartilage. Small knob-like terminations end in close relationship to the endosteum.Other myelinated nerve fibers have branched free fiber endings associated with the walls of intertrabecular marrow arterioles. Amyelinated nerve fibers are usually associated with vascular walls but may also be associated with the connective tissue of the intertrabecular fat or marrow.Numerous myelinated and amyelinated nerve fibers traverse the nutrient foramen and supply the bone marrow and endosteum of the shaft of the bone.While the Volkmann's canals of the shaft receive nerve fibers from the overlying periosteum, the disposition of these fibers in the shaft of the bone has not been determined.No nerve fibers or endings were ever seen between the lamellae in any location.No function can yet be attributed to any particular type of nerve fiber or nerve ending.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 218 (1987), S. 338-344 
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The auditory hair cells of adults of eight species of lizards (three gekkonids: Coleonyx variegatus, Gekko gecko, and Cosymbotus platyurus; two teiids: Ameiva ameiva and Cnemidophorus tigris; one anguid: Celestus costatus; one lacertid: Podarcis (Lacerta) sicula; and one iguanid: Crotaphytus wislizeni) were studied by transmission electron microscopy. Heterotopic synaptic bodies were found in some of the auditory hair cells of all of the above species, occurring frequently in the gekkonids but infrequently in other species.The groups of heterotopic synaptic bodies occurred mainly in the infranuclear cytoplasm between the hair cell nucleus and the hair cell plasma membrane. The groups of synaptic bodies that were close to the hair cell nucleus were usually associated with specialized arrays of rough and smooth endoplasmic reticulum. The numbers of heterotopic synaptic bodies were greatest in the gekkonid species and were especially large in Coleonyx variegatus, where an average of 36.8 synaptic bodies occur in one group. The functional significance of the presence of heterotopic synaptic bodies in the auditory hair cells of adults animals is not known.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    American Journal of Anatomy 115 (1964), S. 217-233 
    ISSN: 0002-9106
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The hearts of dogs, cats, monkeys and lambs were studied by methylene blue perfusion and/or immersion. The principle types of sensory nerve terminals found in these hearts were end-nets and complex unencapsulated endings. End-nets are formed by the anastomoses of the branched dendrites of several apparently different myelinated fibers. Complex unencapsulated endings are discrete much branched endings of medium to large sized fibers and vary greatly in form and size.The epicardium is supplied mainly with complex unencapsulated endings of highly variable form. End-nets are rare in this location.No sensory endings were demonstrated in the myocardium. Motor terminals in the form of fine unmyelinated nerve fibers were demonstrated on both atrial and ventricular myocardial muscle fibers.The atrial endocardium, particularly in the areas of the openings of the great vessels and on the interatrial septum is the best innervated area of the heart. Endnets, and a wide variety of complex unencapsulated nerve endings occur singly and in combination in these areas.The ventricular endocardium is supplied only with end-nets.The tricuspid and mitral valve leaflets have both end-nets and complex unencapsulated endings while the aortic and pulmonary valve leaflets have only end-nets.The cardiac complex unencapsulated nerve endings (baroreceptors) are morphologically and functionally homologous to complex unencapsulated nerve endings (“stretch” receptors) in other areas of the organism.The detailed structure and function of the end-net terminals remain undetermined.
    Type of Medium: Electronic Resource
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